io.ebeaninternal.dbmigration.DbOffline Maven / Gradle / Ivy
package io.ebeaninternal.dbmigration;
import io.ebean.annotation.Platform;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Helper to indicate that an EbeanServer should come up offline
* typically for DDL generation purposes.
*/
public class DbOffline {
private static final Logger logger = LoggerFactory.getLogger(DbOffline.class);
private static final String KEY = "ebean.dboffline";
private static boolean generateMigration;
/**
* Set the platform to use when creating the next EbeanServer instance.
*/
public static void setPlatform(Platform dbPlatform) {
System.setProperty(KEY, dbPlatform.name());
}
/**
* Set the platform to use when creating the next EbeanServer instance.
*/
public static void setPlatform(String platformName) {
System.setProperty(KEY, platformName);
}
/**
* Return the platform to use when creating the next EbeanServer instance.
*/
public static String getPlatform() {
return System.getProperty(KEY);
}
/**
* Bring up the next EbeanServer instance using the H2 platform.
*/
public static void asH2() {
setPlatform(Platform.H2);
}
/**
* Return true if the offline platform has been set.
*/
public static boolean isSet() {
return getPlatform() != null;
}
/**
* Return true if the migration is running. This typically means don't run the
* plugins like full DDL generation.
*/
public static boolean isGenerateMigration() {
return generateMigration;
}
/**
* Called when the migration is running is order to stop other plugins
* like the full DDL generation from executing.
*/
public static void setGenerateMigration() {
generateMigration = true;
}
/**
* Reset the offline platform and runningMigration flag.
*/
public static void reset() {
generateMigration = false;
System.clearProperty(KEY);
logger.debug("reset");
}
}